<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31436382</termId><termName>vinyl copolymers</termName><termType>PT</termType><termNote><![CDATA[ Polymers created by combining two separate monomers from the vinyl group, vinyl acetate and vinyl chloride, for example. ]]></termNote><termCreatedDate>2026-03-30 20:57:40</termCreatedDate><relation><relationType>UF</relationType><termId>31436383</termId><termName>copolymer, vinyl</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31436384</termId><termName>vinyl copolymer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31409837</termId><termName>vinyl resin</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31370917</termId><termName>vinyl</termName><termType>PT</termType></relation></term>  </Zthes>